{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "CSC - high cultures and tumors expressed increased levels of the proangiogenic factors vascular endothelial growth factor and stromal - derived factor 1 , and when signaling by either factor was blocked , all aspects of angiogenesis observed in CSC - high cultures and tumors , including microvessel density , perfusion , EPC mobilization / recruitment , and stimulation of endothelial cell activity , were reduced to levels comparable with those observed in CSC - low cultures / tumors ."}
{"Anatomy": ["CSC - high cultures", "tumors", "microvessel", "EPC", "endothelial cell", "CSC - low cultures"]}